'Secondary oocyte' diaporamas de présentation

Multiple pregnancies

Multiple pregnancies. Definition Pregnancies resulting in the birth of more than one neonate at a time are graded as multiple pregnancies. Types of multiple pregnancies Multiple pregnancies may be mono-ovular (identical) or poly-ovular (fraternal).

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Do Now

Do Now. What is the difference between male and female sexual reproduction?. The Male and Female Reproductive Systems. 15. Lesson 15.1: Reproduction and Development of the Human Reproductive Systems Lesson 15.2: Male Reproductive System Anatomy and Physiology

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Lecturer : prof. Fefonyuk L.Ya .

Theme: Up-to-date perspectives of regeneration and transplantation. Biological mechanisms of homeostasis maintenance. Lecturer : prof. Fefonyuk L.Ya. Reproduction is the method by which individuals give rise to other individuals of same type. There are two types of reproduction :

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Human Reproductive System Part I

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Female Reproductive System

Female Reproductive System. vulva. Includes the mons pubis, labia majora and minora, and clitoris. mons pubis. A mound of adipose tissue overlying the pubic symphysis. labia majora. Thick folds of skin inferior to mons pubis. labia minora. vestibule.

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27

27 . The Reproductive System: Part C. Establishing the Ovarian Cycle. During childhood, until puberty Ovaries secrete small amounts of estrogens Estrogen inhibits release of GnRH. Establishing the Ovarian Cycle. At puberty Leptin from adipose tissue decreases the estrogen inhibition

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Chapter 2 GBBE Part III Cell Division by Meiosis : The Basis of Sex

Chapter 2 GBBE Part III Cell Division by Meiosis : The Basis of Sex. Objections of this Section: Meiosis vs. Mitosis Comparison Male and Female Reproductive Systems Role of Mitosis and Meiosis in Sexual Life Cycles Spermatogenesis and Oogenesis, the processes that form gametes.

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Implantation,conception, development of placenta and establishment of fetomaternal circulation

Implantation,conception, development of placenta and establishment of fetomaternal circulation. Gametogenesis. Maturation of two highly specialized cells spermetozoon in males and ovum in females. Oogenesis- Development of mature ovum.

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Female R eproductive Physiology and Menstrual cycle

Female R eproductive Physiology and Menstrual cycle . Lecture 4 Dr. Zahoor. Objectives . Oogenesis and the stages of follicle development Ovulation and formation of corpusluteum Ovarian cycle

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1. Meiosis and chromosome number Life cycle and ploidy levels Steps in meiosis

1. Meiosis and chromosome number Life cycle and ploidy levels Steps in meiosis Source of genetic variation Independent alignment of homologues b. recombination. Gametes have a single set of chromosomes. Gametes are haploid, with only one set of chromosomes Somatic cells are diploid.

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DEVELOPMENTAL PERIODS

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Lab # 11

Lab # 11. The Female Reproductive System. Unit 12 (page 199). 1- Identify the female ovaries, ligaments, uterine tubes, and uterus. 2- Describe and recognize the three main layers of the uterine wall. . 3 - Identify the vagina and the features of the vulva.

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Fertilization and Development

Fertilization and Development. Part III. Production of Sperm. testicle fluids are removed and the sperm concentrated sperm mature here and develop the ability to swim Seminal vesicles : adds nutrients that include fructose sugar for respiration mucus to protect sperm in the cell

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Reproductive Systems

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Exam 4 Review

Exam 4 Review. Reproductive and Mammary Systems AN S 214 Supplemental Instruction 4/24/13. Reproductive System Outline. Male Anatomy Heat Regulation of Testes Hypothalamic-Pituitary-Gonadal Axis Spermatogenesis and Spermiogenesis Female Anatomy Ovarian Cycle Uterine (Menstrual) Cycle

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Ch 32 Animal Reproduction

Ch 32 Animal Reproduction . AP Biology Lecture . Asexual Reproduction . Requires one organism Identical copy of parent Methods Budding New individual forms as an outgrowth Regeneration Complete individual formed from a piece of an organism Parthogenesis

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The Female Reproductive System

The Female Reproductive System. Brooke Pacheco Siobhan Couto Andrea Medeiros. Function and purpose. The female reproductive system produces sex cells and hormones. Protects and supports a developing embryo and provides the necessary nutrients to nourish an infant. Uterus.

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Menstrual cycle

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Female Reproductive System Functions:

Female Reproductive System Functions:. Oocyte Production Receive Sperm Develop Offspring Deliver Offspring. Oocyte Production. Ovaries:. Visceral Peritoneum. Germinal Epithelium. Cortex - (dense C.T.) Contain follicles, Each with a single ovum. Medulla (loose C.T.)

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Female Reproduction

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